Updated README.

README.md

@@ -159,7 +159,8 @@ https://github.com/mamedev/mame MAME - Multiple Arcade Machine Emulator
 
 https://blackshift.itch.io/blackshift - Blackshift is a grid-based, space-themed
 action puzzle game which isn't afraid of complexity — think Chip's Challenge on
-crack. 
+crack.
+
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=PUl8612Y-ds
 " target="_blank"><img src="http://img.youtube.com/vi/PUl8612Y-ds/0.jpg" 
 alt="Blackshift Trailer, May 2016"
@@ -170,6 +171,7 @@ width="640" height="480" border="0" /></a>
 https://eheitzresearch.wordpress.com/415-2/ - Real-Time Polygonal-Light Shading
 with Linearly Transformed Cosines, Eric Heitz, Jonathan Dupuy, Stephen Hill and
 David Neubelt, ACM SIGGRAPH 2016
+
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=ZLRgEN7AQgM
 " target="_blank"><img src="http://img.youtube.com/vi/ZLRgEN7AQgM/0.jpg" 
 alt="Real-Time Polygonal-Light Shading with Linearly Transformed Cosines"
@@ -180,6 +182,7 @@ width="640" height="480" border="0" /></a>
 http://www.dogbytegames.com/dead_venture.html - Dead Venture is a new Drive 'N
 Gun game where you help a handful of survivals reach the safe haven: a military
 base on a far island.
+
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=CgMr1g12yXw
 " target="_blank"><img src="http://img.youtube.com/vi/CgMr1g12yXw/0.jpg" 
 alt="Dead Venture - Gameplay Teaser (iOS / Android)"
@@ -248,6 +251,7 @@ http://www.dogbytegames.com/zombie_safari.html - Do what you please in this
 Open-World Offroad Driving game: explore massive landscapes, complete challenges,
 smash zombies, find secret locations, unlock and upgrade cars and weapons, it's
 up to you!
+
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=LSiH0lRkw8g
 " target="_blank"><img src="http://img.youtube.com/vi/LSiH0lRkw8g/0.jpg" 
 alt="Zombie Safari - Official Gameplay Trailer (Android)"